1 创建脚本块
1: <s cript language=”Javas cript”>
2: Javas cript code goes here
3: </s cript> 

2 隐藏脚本代码
1: <s cript language=”Javas cript”>
2: <!--
3: document.write(“Hello”);
4: // -->
5: </s cript> 

在不支持Javas cript的浏览器中将不执行相关代码
3 浏览器不支持的时候显示
1: <nos cript>
2: Hello to the non-Javas cript browser.
3: </nos cript> 

4 链接外部脚本文件
1: <s cript language=”Javas cript” src="/”filename.js"”></s cript> 

5 注释脚本
1: // This is a comment
2: document.write(“Hello”); // This is a comment
3: /*
4: All of this
5: is a comment
6: */ 

6 输出到浏览器
1: document.write(“<strong>Hello</strong>”); 

7 定义变量
1: var myVariable = “some value”; 

8 字符串相加
1: var myString = “String1” + “String2”; 

9 字符串搜索
1: <s cript language=”Javas cript”>
2: <!--
3: var myVariable = “Hello there”;
4: var therePlace = myVariable.search(“there”);
5: document.write(therePlace);
6: // -->
7: </s cript> 

10 字符串替换
1: thisVar.replace(“Monday”,”Friday”); 

11 格式化字串
1: <s cript language=”Javas cript”>
2: <!--
3: var myVariable = “Hello there”;
4: document.write(myVariable.big() + “<br/>”);
5: document.write(myVariable.blink() + “<br/>”);
6: document.write(myVariable.bold() + “<br/>”);
7: document.write(myVariable.fixed() + “<br/>”);
8: document.write(myVariable.fontcolor(“red”) + “<br/>”);
9: document.write(myVariable.fontsize(“18pt”) + “<br/>”);
10: document.write(myVariable.italics() + “<br/>”);
11: document.write(myVariable.small() + “<br/>”);
12: document.write(myVariable.strike() + “<br/>”);
13: document.write(myVariable.sub() + “<br/>”);
14: document.write(myVariable.sup() + “<br/>”);
15: document.write(myVariable.toLowerCase() + “<br/>”);
16: document.write(myVariable.toUpperCase() + “<br/>”);
17:
18: var firstString = “My String”;
19: var finalString = firstString.bold().toLowerCase().fontcolor(“red”);
20: // -->
21: </s cript> 


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